Electromagnet Spectrum

an astronomical source of information; the light we see is just a small piece of it.




spectrum.gif
eletomagspec.jpg3.jpeg



Specific wavelengths are understood by our eyes as specific colors!!

Elements have "finger prints" of light called bright/ dark line spectrum!!



The Doppler effect shows us (1) which way a sources of waves (sound, light) is moving.


The doppler effect can tell you how fast a sources of waves is going.